Multifunctional cabinet based on waste heat recovery and waste heat recovery system

Abstract

The utility model relates to a multifunctional cabinet based on waste heat recovery and a waste heat recovery system. The multifunctional cabinet based on waste heat recovery comprises a multifunctional cabinet body, a heat storage module, a first connecting part, a second connecting part and an adjusting module. The multifunctional cabinet comprises a plurality of storage areas for storing articles with different temperature requirements; the heat storage module is used for storing redundant heat of kitchen electric equipment; the first connecting part is connected with the heat storage module and the kitchen electric equipment, the second connecting part is connected with the heat storage module and a plurality of storage areas of the multifunctional cabinet, and the adjusting module is arranged on the second connecting part and used for adjusting heat transmitted to the storage areas respectively. In the embodiment of the invention, the multifunctional cabinet is arranged, and redundant heat of the kitchen electric equipment is used for storing articles with different temperature requirements, so that on one hand, various temperature function requirements in families at present are met, on the other hand, the redundant heat is recycled, and comprehensive utilization of energy is realized.

Description

Technical Field

[0001] The present application relates to the technical field of kitchen appliances, and in particular to a multifunctional cabinet and a waste heat recovery system based on waste heat recovery. Background Art

[0002] With the development of kitchen appliances and the improvement of living standards, refrigeration equipment such as refrigerators and freezers have become standard household appliances in more and more families.

[0003] While refrigeration equipment is cooling, it will generate a lot of heat due to heat dissipation and other reasons. In the existing technology, this excess heat is still directly discharged as waste heat, resulting in a certain amount of energy waste. At the same time, the excess heat will also cause a heat wave to surround refrigeration equipment such as refrigerators and freezers for a long time. On the one hand, the heat that cannot be dissipated will affect the service life of the refrigeration equipment itself. On the other hand, the increased ambient temperature will also affect the working efficiency of other electrical equipment around it. Utility Model Content

[0004] In order to solve the above technical problems, the present application provides a multifunctional cabinet and a waste heat recovery system based on waste heat recovery.

[0005] In a first aspect, an embodiment of the present application discloses a multifunctional cabinet based on waste heat recovery, comprising a multifunctional cabinet, a heat storage module, a first connection part, a second connection part and an adjustment module;

[0006] The multifunctional cabinet includes multiple storage areas for storing items with different temperature requirements;

[0007] The heat storage module is used to store excess heat from kitchen appliances;

[0008] The first connection part connects the heat storage module with the kitchen appliance, and is used to transfer the excess heat of the kitchen appliance to the heat storage module; the second connection part connects the heat storage module with multiple storage areas of the multifunctional cabinet, and is used to transfer the heat stored in the heat storage module to the multiple storage areas;

[0009] The regulating module is arranged on the second connecting portion and is used for regulating the heat transmitted to the multiple storage areas respectively.

[0010] In some possible embodiments, a control module is also included;

[0011] The regulating module includes multiple motors and multiple heating switches; the second connecting part includes multiple heat pipes, and the multiple heating switches are respectively arranged on the multiple heat pipes; the multiple motors are communicatively connected with the control module, and are used to control the multiple heating switches to be turned on or off based on the control signal of the control module.

[0012] In some possible embodiments, a plurality of storage areas are provided with temperature detection components;

[0013] The temperature detection element is connected to the control module for communication and is used to send temperature detection data to the control module.

[0014] In some possible embodiments, the multifunctional cabinet includes a warm water thawing area; the warm water thawing area includes a first cabinet body and a thawing drawer disposed in the first cabinet body;

[0015] A heat exchange layer is arranged on the outside of the thawing drawer, and the heat exchange layer is connected to the second connection part; a control panel is also arranged on the outside of the thawing drawer; the control panel is communicatively connected with the control module, and is used to receive and send instructions input by the operator to the control module.

[0016] In some possible embodiments, the multifunctional cabinet further includes a first drying area; the first drying area includes a clothes hanger, a condenser pipe, a drainage drawer, an exhaust fan and a first weight detection member;

[0017] The condenser is arranged at the air outlet of the exhaust fan, and is used to condense the water vapor exhausted by the exhaust fan; at least part of the drainage drawer is arranged below the condenser, and is used to receive the condensed water vapor;

[0018] The first weight detection component is arranged on the clothes hanger and is in communication connection with the control module, and is used for sending first weight detection data to the control module.

[0019] In some possible embodiments, the drainage drawer is communicated with the heat exchange layer.

[0020] In some possible embodiments, the multifunctional cabinet includes a second drying area;

[0021] The second drying area is provided with a humidity detection component; the humidity detection component is in communication connection with the control module and is used to send humidity detection data to the control module.

[0022] In some possible embodiments, the multi-purpose cabinet includes a dry storage area;

[0023] The dry storage area includes a second weight detection component; the second weight detection component is communicatively connected with the control module and is used to send second weight detection data to the control module.

[0024] In some possible embodiments, the first connecting part includes a heat collecting coil and a heat collecting tube, and the heat collecting coil and the heat collecting tube are wound around a heating module of the kitchen appliance to collect and transfer excess heat of the kitchen appliance.

[0025] In a second aspect, an embodiment of the present application discloses a waste heat recovery system, including kitchen appliances and any of the above-mentioned multifunctional cabinets based on waste heat recovery.

[0026] The technical solution provided by the embodiment of the present application has the following technical effects:

[0027] The multifunctional cabinet based on waste heat recovery of the embodiment of the present application includes a multifunctional cabinet, a heat storage module, a first connection part, a second connection part and an adjustment module; the multifunctional cabinet includes multiple storage areas for storing items with different temperature requirements; the heat storage module is used to store excess heat of kitchen appliances; the first connection part connects the heat storage module with the kitchen appliances, and is used to transfer the excess heat of the kitchen appliances to the heat storage module; the second connection part connects the heat storage module with multiple storage areas of the multifunctional cabinet, and is used to transfer the heat stored in the heat storage module to the multiple storage areas; wherein the adjustment module is arranged on the second connection part, and is used to adjust the heat transferred to the multiple storage areas respectively. In the embodiment of the present application, an additional multifunctional cabinet is provided, and the excess heat of the kitchen appliance is collected and transferred to the heat storage module for storage by using the first connection part, and then respectively transmitted to different storage areas of the multifunctional cabinet through the second connection part. The heat transmitted to the multiple storage areas is adjusted by the adjustment module, so that different storage areas can store items with different temperature requirements. On the one hand, it meets the various temperature function requirements in the current households, not only improves the space utilization rate, but also provides users with convenient multifunctional services. On the other hand, it recycles and utilizes excess heat, realizes the comprehensive utilization of energy, and avoids the dissipated heat from affecting the working efficiency and service life of the kitchen appliance itself and other surrounding equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions and advantages in the embodiments of the present application or the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 This is a schematic diagram of a module of a multifunctional cabinet based on waste heat recovery provided in an embodiment of the present application. Figure 1 ;

[0030] Figure 2 This is a schematic diagram of a multifunctional cabinet based on waste heat recovery provided in an embodiment of the present application. Figure 1 ;

[0031] Figure 3 This is a schematic diagram of a module of a multifunctional cabinet based on waste heat recovery provided in an embodiment of the present application. Figure 2 ;

[0032] Figure 4 This is a schematic diagram of a multifunctional cabinet based on waste heat recovery provided in an embodiment of the present application. Figure 2 . Description of the drawings:

[0034] 1. Multifunctional cabinet; 11. Warm water thawing area; 12. First drying area; 13. Second drying area; 14. Dry storage area; 2. Heat storage module; 3. First connecting part; 4. Second connecting part; 5. Adjustment module; 6. Kitchen appliances; 7. Control module; 8. Temperature detection component. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0036] It should be noted that the "one embodiment" or "embodiment" referred to in the specification of the embodiment of the present application refers to a specific feature, structure or characteristic that can be included in at least one implementation of the present application. It should be understood that in the specification and claims of the embodiment of the present application and the above-mentioned drawings, the orientation or position relationship indicated by the terms "upper", "lower", "top", "bottom", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. The terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. Moreover, the terms "first", "second", etc. are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described here can be implemented in an order other than those illustrated or described here. In addition, in the description of the present embodiment, unless otherwise specified, "plurality" means two or more. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system or product including a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0037] It should be understood that when a device or component is referred to as "on ...", "adjacent to ...", "connected to" other devices or components, it can be directly on, adjacent to, connected to other devices or components, or there can be intervening devices or components. On the contrary, when a device or component is referred to as "directly on ...", "directly adjacent to ...", "directly connected to" other devices or components, there is no intervening device or component. It should be understood that although the terms first, second, third, etc. can be used to describe various components, areas, layers and / or parts, these components, areas, layers and / or parts should not be limited by these terms. These terms are only used to distinguish one component, area, layer or part from another component, area, layer or part. Therefore, without departing from the teachings of the present application, the first component, area, layer or part discussed below can be expressed as the second component, area, layer or part. And when the second component, area, layer or part is discussed, it does not mean that the present application necessarily has the first component, area, layer or part.

[0038] In order to make the purpose, technical solution and advantages disclosed in the embodiments of the present application more clearly understood, the embodiments of the present application are further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the embodiments of the present application and are not used to limit the embodiments of the present application.

[0039] An embodiment of the present application provides a multifunctional cabinet based on waste heat recovery. Figure 1 This is a schematic diagram of a module of a multifunctional cabinet based on waste heat recovery provided in an embodiment of the present application. Figure 1 ,like Figure 1 As shown, the multifunctional cabinet based on waste heat recovery includes a multifunctional cabinet 1 , a heat storage module 2 , a first connecting part 3 , a second connecting part 4 and an adjusting module 5 .

[0040] The multifunctional cabinet 1 includes a plurality of storage areas, and the plurality of storage areas are respectively used to store items with different temperature requirements, such as drying, thawing, disinfection, storage, etc.

[0041] In a possible embodiment, the heat storage module 2 is used to store excess heat of the kitchen appliances 6, which may include physical storage and chemical storage. Further physical storage can use a hot water tank or a heat storage tank to store heat in water or other heat media, and chemical storage uses a thermal battery to store and release heat energy through chemical reactions. The heat storage module 2 can efficiently and safely recover and utilize the waste heat generated by the kitchen appliances 6 to provide reliable heat support for various storage needs of the multi-functional cabinet 1.

[0042] Figure 2 This is a schematic diagram of a multifunctional cabinet based on waste heat recovery provided in an embodiment of the present application. Figure 1 ,like Figure 2As shown, in the embodiment of the present application, taking the multifunctional cabinet 1 as a whole as an example, the first connection part 3 connects the heat storage module 2 and the kitchen appliance 6, and is used to transfer the excess heat of the kitchen appliance 6 to the heat storage module 2; the second connection part 4 connects the heat storage module 2 and multiple storage areas of the multifunctional cabinet 1, and is used to transfer the heat stored in the heat storage module 2 to the multiple storage areas; the adjustment module 5 is arranged on the second connection part 4, and is used to adjust the heat transferred to the multiple storage areas respectively.

[0043] Through the above-mentioned arrangement, by additionally setting up a multifunctional cabinet 1, the first connection part 3 is used to collect and transfer the excess heat of the kitchen appliance 6 to the heat storage module 2 for storage, and then the excess heat is respectively transmitted to different storage areas of the multifunctional cabinet 1 through the second connection part 4, and the heat transmitted to the multiple storage areas is adjusted through the adjustment module 5, so that different storage areas can store items with different temperature requirements. On the one hand, it meets the various temperature function requirements in the current home, not only improves the space utilization rate, but also provides users with convenient multifunctional services. On the other hand, it recycles and utilizes excess heat, realizes the comprehensive utilization of energy, and also avoids the dissipated heat from affecting the working efficiency and service life of the kitchen appliance 6 itself and other surrounding equipment.

[0044] In a possible embodiment, the first connecting part 3 includes a heat collecting coil and a heat collecting tube, which are wound around a heating module of the kitchen appliance 6 to collect and transfer excess heat of the kitchen appliance 6 .

[0045] In the embodiment of the present application, the heat collecting tube can be configured as an aluminum copper tube, which has a good thermal conductivity. In a possible embodiment, the heat collecting coil and the aluminum copper tube are wound around the compressor, condenser and other parts of the refrigerator to collect the heat energy generated by the operation of these motors and devices.

[0046] Figure 3 This is a schematic diagram of a module of a multifunctional cabinet based on waste heat recovery provided in an embodiment of the present application. Figure 2 , in some optional embodiments, such as Figure 3 As shown, the multifunctional cabinet based on waste heat recovery further includes a control module 7 for controlling the regulating module 5 .

[0047] In a possible embodiment, the regulating module 5 includes a plurality of motors and a plurality of heating switches, and the plurality of motors correspond to the plurality of heating switches. The plurality of motors are in communication connection with the control module 7, and are used to control the plurality of heating switches to be turned on or off respectively based on the control signal of the control module 7.

[0048] In the embodiment of the present application, the second connection portion includes a plurality of heat conducting pipes, which are respectively buried around the plurality of storage areas of the multifunctional cabinet to transfer the heat of the heat storage module to the plurality of storage areas. In the embodiment of the present application, the multifunctional cabinet includes four storage areas, and accordingly, the number of heat conducting pipes is four, the number of motors and the number of heating switches are also four, and the four heating switches are respectively arranged on the four heat conducting pipes.

[0049] Through the above settings, the four storage areas are relatively independent and do not affect each other. The temperature can be flexibly adjusted according to specific needs to meet the storage requirements of different items. The control module 7 can realize intelligent management of heat transfer and temperature to improve operating efficiency and convenience of use.

[0050] In some optional embodiments, multiple storage areas are provided with temperature detection components 8, specifically, temperature sensors are provided in the storage areas, and the four temperature sensors are connected to the control module 7 for communication, and are used to send temperature detection data in the storage areas to the control module 7. Through temperature feedback control, the temperature in the four storage areas can be made more accurate.

[0051] Figure 4 This is a schematic diagram of a multifunctional cabinet based on waste heat recovery provided in an embodiment of the present application. Figure 2 ,like Figure 4 As shown, in a possible embodiment, the multifunctional cabinet 1 includes a warm water thawing area 11 for thawing food taken out from the freezing area of ​​the refrigerator, and can be located at the left side of the lower part of the entire multifunctional cabinet 1.

[0052] In some optional embodiments, the warm water thawing zone 11 includes a first cabinet and a thawing drawer arranged in the first cabinet, a heat exchange layer is arranged on the outside of the thawing drawer, the heat exchange layer is connected to the second connecting part 4, and the hot water in the heat pipe in the second connecting part 4 can flow to the heat exchange layer, thereby bringing heat to the warm water thawing zone 11, thereby thawing the food in the warm water thawing zone 11.

[0053] A control panel is also provided on the outside of the thawing drawer, and the control panel is connected to the control module 7 for receiving and sending instructions input by the operator to the control module 7. The control panel includes buttons and a display screen, and the user can input the set temperature and time through the buttons, and the display screen can display information such as the current temperature in the warm water thawing area 11, the remaining working time, etc.

[0054] like Figure 4 As shown, in a possible embodiment, the multifunctional cabinet 1 further includes a first drying area 12 for drying clothes, which may be located at an upper position of the entire multifunctional cabinet 1 .

[0055] In the embodiment of the present application, the first drying area 12 includes a clothes hanger, a condenser, a drainage drawer, an exhaust fan and a first weight detection component.

[0056] The hanger is fixed in the first drying area 12, and the first weight detection element is arranged on the hanger, which is in communication connection with the control module 7, and is used to send the first weight detection data to the control module 7. When the clothes to be dried are hung on the hanger in the first drying area 12, the first weight detection element on the hanger will detect that there are clothes to be dried, and the control module 7 can formulate a drying instruction, and after the door of the first drying area 12 is closed, the corresponding motor is turned on to start heating operation, and the exhaust fan is driven to operate to discharge water vapor.

[0057] In the embodiment of the present application, the condenser tube of the first drying area 12 is arranged at the air outlet of the exhaust fan, and is used to condense the water vapor exhausted by the exhaust fan. The condenser tube can be configured as a cold water pipe with cold water flowing through it, and the water vapor is cooled and turned back into water. In a possible embodiment, at least part of the drain drawer is arranged below the condenser tube, and is used to receive the condensed water vapor. The condensed water flows into the drain drawer, and the user can also clean the drain drawer by pulling out the drain drawer to avoid the drain drawer being full.

[0058] In some optional embodiments, the drainage drawer of the first drying zone 12 is connected to the heat exchange layer of the warm water thawing zone 11, so that the condensed water flows back into the water circulation system and replaces the water in the heat exchange layer of the warm water thawing zone 11.

[0059] like Figure 4 As shown, in some optional embodiments, the multifunctional cabinet 1 further includes a second drying area 13 for drying dishes and other tableware, which may be located in the middle of the lower part of the entire multifunctional cabinet 1 .

[0060] In the embodiment of the present application, in addition to real-time temperature detection feedback, the second drying area 13 is kept at a constant temperature of about 60 degrees Celsius. The second drying area 13 is provided with a bowl rack and a humidity detection component, and the humidity detection component is connected to the control module 7 for sending humidity detection data to the control module 7. Through real-time humidity detection feedback, when the second drying area 13 detects that the humidity is lower than the preset humidity value, the corresponding motor cuts off the heating of the aluminum copper tube coil to avoid damage to the dishes caused by excessive drying. At this time, the second drying area 13 can also be used to store dishes and other tableware.

[0061] Optionally, a weight sensor can be set on the bowl rack. When the user puts the bowls in and then turns on the drying function, it also saves calories.

[0062] like Figure 4 As shown, in some optional embodiments, the multifunctional cabinet 1 further includes a dry storage area 14 for storing dry goods, grains, oils and other foods, which can be located at the right side of the lower part of the entire multifunctional cabinet 1.

[0063] In the embodiment of the present application, the dry storage area 14 includes a second weight detection component, which is communicated with the control module 7 and is used to send second weight detection data to the control module 7. When it is detected that an object is placed in, the dry storage area 14 is set to a constant temperature (40 degrees Celsius) by default to prevent the items from getting damp.

[0064] An embodiment of the present application also provides a waste heat recovery system, which includes kitchen appliances and the above-mentioned multifunctional cabinet based on waste heat recovery.

[0065] In a possible embodiment, the kitchen appliance can be configured as a refrigerator, freezer or other refrigeration device that generates a large amount of waste heat. Through the above configuration, the excess heat of the refrigeration device is collected and transferred to the heat storage module for storage by using the first connection part, and then respectively transmitted to different storage areas of the multifunctional cabinet through the second connection part, and the heat transmitted to the multiple storage areas is adjusted by the adjustment module, so that different storage areas can store items with different temperature requirements. On the one hand, it meets the various temperature function requirements in the current home, not only improves the space utilization rate, but also provides users with convenient multifunctional services. On the other hand, it recycles and utilizes the excess heat, realizes the comprehensive utilization of energy, and also avoids the dissipated heat from affecting the working efficiency and service life of the refrigeration device itself and other surrounding equipment.

[0066] It should be noted that the above-mentioned sequence of the embodiments of the present application is for description only and does not represent the advantages and disadvantages of the embodiments. The above-mentioned specific embodiments of this specification are described. Other embodiments are within the scope of the attached claims. In some cases, the actions or steps recorded in the claims can be performed in an order different from that in the embodiments and still achieve the desired results. In addition, the processes depicted in the drawings do not necessarily require the specific order or continuous order shown to achieve the desired results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0067] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the device embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0068] A person skilled in the art will understand that all or part of the steps to implement the above embodiments may be accomplished by hardware or by instructing related hardware through a program, and the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a disk or an optical disk, etc.

[0069] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A multifunctional cabinet based on waste heat recovery, characterized in that: It comprises a multifunctional cabinet (1), a heat storage module (2), a first connecting part (3), a second connecting part (4) and an adjustment module (5); The multifunctional cabinet (1) comprises a plurality of storage areas for storing items with different temperature requirements; The heat storage module (2) is used to store excess heat of the kitchen appliance (6); The first connection portion (3) connects the heat storage module (2) and the kitchen appliance (6) and is used to transfer excess heat of the kitchen appliance (6) to the heat storage module (2); the second connection portion (4) connects the heat storage module (2) and a plurality of storage areas of the multifunctional cabinet (1) and is used to transfer heat stored in the heat storage module (2) to the plurality of storage areas; Wherein, the regulating module (5) is arranged on the second connecting portion (4) and is used to regulate the heat transmitted to the multiple storage areas respectively.

2. A multifunctional cabinet based on waste heat recovery according to claim 1, characterized in that: Also includes a control module (7); The regulating module (5) comprises a plurality of motors and a plurality of heating switches; the second connecting portion (4) comprises a plurality of heat-conducting tubes, and the plurality of heating switches are respectively arranged on the plurality of heat-conducting tubes; the plurality of motors are communicatively connected with the control module (7) and are used to control the plurality of heating switches to be turned on or off respectively based on control signals of the control module (7).

3. A multifunctional cabinet based on waste heat recovery according to claim 2, characterized in that: The plurality of storage areas are each provided with a temperature detection element (8); The temperature detection element (8) is communicatively connected to the control module (7) and is used to send temperature detection data to the control module (7).

4. A multifunctional cabinet based on waste heat recovery according to claim 3, characterized in that: The multifunctional cabinet (1) comprises a warm water thawing area (11); the warm water thawing area (11) comprises a first cabinet body and a thawing drawer arranged in the first cabinet body; A heat exchange layer is arranged on the outside of the thawing drawer, and the heat exchange layer is connected to the second connection part (4); a control panel is also arranged on the outside of the thawing drawer; the control panel is communicatively connected to the control module (7) and is used to receive and send instructions input by an operator to the control module (7).

5. A multifunctional cabinet based on waste heat recovery according to claim 4, characterized in that: The multifunctional cabinet (1) further comprises a first drying area (12); the first drying area (12) comprises a clothes hanger, a condenser pipe, a drainage drawer, an exhaust fan and a first weight detection component; The condenser is arranged at the air outlet of the exhaust fan, and is used to condense the water vapor exhausted by the exhaust fan; at least a part of the drainage drawer is arranged below the condenser, and is used to receive the condensed water vapor; The first weight detection component is arranged on the clothes hanger and is in communication connection with the control module (7) and is used to send first weight detection data to the control module (7).

6. A multifunctional cabinet based on waste heat recovery according to claim 5, characterized in that: The drainage drawer is communicated with the heat exchange layer.

7. The multifunctional cabinet based on waste heat recovery according to claim 3 is characterized in that: The multifunctional cabinet (1) comprises a second drying area (13); The second drying area (13) is provided with a humidity detection component; the humidity detection component is in communication connection with the control module (7) and is used to send humidity detection data to the control module (7).

8. The multifunctional cabinet based on waste heat recovery according to claim 3 is characterized in that: The multifunctional cabinet (1) comprises a dry storage area (14); The dry storage area (14) comprises a second weight detection component; the second weight detection component is in communication connection with the control module (7) and is used to send second weight detection data to the control module (7).

9. The multifunctional cabinet based on waste heat recovery according to claim 1, characterized in that: The first connection part (3) comprises a heat collecting coil and a heat collecting tube, wherein the heat collecting coil and the heat collecting tube are wound around a heating module of the kitchen appliance (6) and are used to collect and transfer excess heat of the kitchen appliance (6).

10. A waste heat recovery system, characterized in that: It comprises kitchen appliances (6) and a multifunctional cabinet based on waste heat recovery as described in any one of claims 1 to 9.

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